Goodeidae
Splitfins
Order: Cyprinodontiformes
Viviparous fish endemic to the Mexican highlands, many endangered.
Species 50
Alien splitfin
Chapalichthys peraticus
Ash Meadows Killifish
Empetrichthys merriami
Balsas splitfin
Ilyodon whitei
Banded allotoca
Allotoca goslinei
Bandfin splitfin
Allodontichthys zonistius
Barred splitfin
Chapalichthys encaustus
Bass-colored goodeid
Ilyodon furcidens
Blackfin goodea
Goodea atripinnis
Blackfin goodeid
Skiffia bilineata
Black splitfin
Xenotoca melanosoma
Blackspot allotoca
Allotoca maculata
Bluetail goodea
Ataeniobius toweri
Bold characodon
Characodon audax
Bulldog goodeid
Alloophorus robustus
Bumblebee allotoca
Allotoca dugesii
Butterfly splitfin
Ameca splendens
Catarina allotoca
Allotoca catarinae
Chacambero splitfin
Ilyodon lennoni
Chapultepec splitfin
Girardinichthys viviparus
Darkedged splitfin
Girardinichthys multiradiatus
Dusky splitfin
Goodea gracilis
Finescale splitfin
Allodontichthys polylepis
Freckled splitfin
Ilyodon cortesae
Golden skiffia
Skiffia francesae
Green goodea
Goodea luitpoldii
Green goodeid
Xenoophorus captivus
Highland splitfin
Hubbsina turneri
Hiko White River springfish
Crenichthys baileyi
Jeweled splitfin
Xenotoca variata
Leopard splitfin
Xenotaenia resolanae
Limones splitfin
Ilyodon xantusi
Mexcalpique de Zacapu
Girardinichthys ireneae
Mezquital goodeid
Characodon lateralis
Olive skiffia
Skiffia lermae
Orangetail goody
Xenotoca eiseni
Pahrump killifish
Empetrichthys latos
Parras characodon
Characodon garmani
Patzcuaro allotoca
Allotoca diazi
Peppered splitfin
Allodontichthys tamazulae
Picote splitfin
Zoogoneticus quitzeoensis
Polka-dot splitfin
Chapalichthys pardalis
Railroad Valley Springfish
Crenichthys nevadae
Royal Splitfin
Allotoca regalis
Splotched skiffia
Skiffia multipunctata
Tequila splitfin
Zoogoneticus tequila
Whitepatched splitfin
Allodontichthys hubbsi
Xenotoca doadrioi
Xenotoca doadrioi
Xenotoca lyonsi
Xenotoca lyonsi
Zacapu allotoca
Allotoca zacapuensis
Zirahuen allotica
Allotoca meeki